OSX/libsecurity_ssl/regressions/SecureTransportTests/STLegacyTests+tls12.m

   1 /*
   2  * Copyright (c) 2011-2014 Apple Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24
  25 #include <stdbool.h>
  26 #include <pthread.h>
  27 #include <fcntl.h>
  28 #include <sys/mman.h>
  29 #include <unistd.h>
  30 #include <sys/types.h>
  31 #include <netinet/in.h>
  32 #include <sys/socket.h>
  33 #include <netdb.h>
  34 #include <arpa/inet.h>
  35 #include <CoreFoundation/CoreFoundation.h>
  36
  37 #include <AssertMacros.h>
  38 #include <Security/SecureTransportPriv.h> /* SSLSetOption */
  39 #include <Security/SecureTransport.h>
  40 #include <Security/SecPolicy.h>
  41 #include <Security/SecTrust.h>
  42 #include <Security/SecIdentity.h>
  43 #include <Security/SecIdentityPriv.h>
  44 #include <Security/SecCertificatePriv.h>
  45 #include <Security/SecKeyPriv.h>
  46 #include <Security/SecItem.h>
  47 #include <Security/SecRandom.h>
  48
  49 #include <string.h>
  50 #include <sys/types.h>
  51 #include <sys/socket.h>
  52 #include <errno.h>
  53 #include <stdlib.h>
  54 #include <mach/mach_time.h>
  55
  56 #include "STLegacyTests.h"
  57
  58 @implementation STLegacyTests (tls12)
  59
  60 struct s_server {
  61     char *host;
  62     int port;
  63     SSLProtocol maxprot;
  64 };
  65
  66 typedef struct {
  67     struct s_server *server;
  68     uint32_t session_id;
  69     bool is_session_resume;
  70     SSLContextRef st;
  71     bool client_side_auth;
  72     bool dh_anonymous;
  73     int comm;
  74     CFArrayRef certs;
  75 } ssl_test_handle;
  76
  77
  78
  79 #if 0
  80 static void hexdump(const uint8_t *bytes, size_t len) {
  81         size_t ix;
  82     printf("socket write(%p, %lu)\n", bytes, len);
  83         for (ix = 0; ix < len; ++ix) {
  84         if (!(ix % 16))
  85             printf("\n");
  86                 printf("%02X ", bytes[ix]);
  87         }
  88         printf("\n");
  89 }
  90 #else
  91 #define hexdump(bytes, len)
  92 #endif
  93
  94 static int SocketConnect(const char *hostName, int port)
  95 {
  96     struct sockaddr_in  addr;
  97     struct in_addr      host;
  98         int                                     sock;
  99     int                 err;
 100     struct hostent      *ent;
 101
 102     if (hostName[0] >= '0' && hostName[0] <= '9') {
 103         host.s_addr = inet_addr(hostName);
 104     } else {
 105         ent = gethostbyname(hostName);
 106         if(ent == NULL) {
 107                         printf("\n***gethostbyname(%s) returned: %s\n", hostName, hstrerror(h_errno));
 108             return -2;
 109         }
 110         memcpy(&host, ent->h_addr, sizeof(struct in_addr));
 111     }
 112
 113     sock = socket(AF_INET, SOCK_STREAM, 0);
 114     addr.sin_addr = host;
 115     addr.sin_port = htons((u_short)port);
 116
 117     addr.sin_family = AF_INET;
 118     err = connect(sock, (struct sockaddr *) &addr, sizeof(struct sockaddr_in));
 119
 120     if(err!=0)
 121     {
 122         perror("connect failed");
 123         return -1;
 124     }
 125
 126     return sock;
 127 }
 128
 129
 130 static OSStatus SocketWrite(SSLConnectionRef conn, const void *data, size_t *length)
 131 {
 132         size_t len = *length;
 133         uint8_t *ptr = (uint8_t *)data;
 134
 135     do {
 136         ssize_t ret;
 137         do {
 138             hexdump(ptr, len);
 139             ret = write((int)conn, ptr, len);
 140             if (ret < 0)
 141                 perror("send");
 142         } while ((ret < 0) && (errno == EAGAIN || errno == EINTR));
 143         if (ret > 0) {
 144             len -= ret;
 145             ptr += ret;
 146         }
 147         else
 148             return -36;
 149     } while (len > 0);
 150
 151     *length = *length - len;
 152     return errSecSuccess;
 153 }
 154
 155 static OSStatus SocketRead(SSLConnectionRef conn, void *data, size_t *length)
 156 {
 157         size_t len = *length;
 158         uint8_t *ptr = (uint8_t *)data;
 159
 160     do {
 161         ssize_t ret;
 162         do {
 163             ret = read((int)conn, ptr, len);
 164             if (ret < 0)
 165                 perror("send");
 166         } while ((ret < 0) && (errno == EAGAIN || errno == EINTR));
 167         if (ret > 0) {
 168             len -= ret;
 169             ptr += ret;
 170         }
 171         else
 172             return -36;
 173     } while (len > 0);
 174
 175     *length = *length - len;
 176     return errSecSuccess;
 177 }
 178
 179 static SSLContextRef make_ssl_ref(int sock, SSLProtocol maxprot, const char *peerName)
 180 {
 181     SSLContextRef ctx = NULL;
 182
 183     require_noerr(SSLNewContext(false, &ctx), out);
 184     require_noerr(SSLSetIOFuncs(ctx,
 185                                 (SSLReadFunc)SocketRead, (SSLWriteFunc)SocketWrite), out);
 186     require_noerr(SSLSetConnection(ctx, (SSLConnectionRef)(intptr_t)sock), out);
 187
 188     require_noerr(SSLSetSessionOption(ctx,
 189                                       kSSLSessionOptionBreakOnServerAuth, true), out);
 190
 191     require_noerr(SSLSetProtocolVersionMax(ctx, maxprot), out);
 192
 193     require_noerr(SSLSetPeerDomainName(ctx, peerName, strlen(peerName)), out);
 194     /* Tell SecureTransport to not check certs itself: it will break out of the
 195      handshake to let us take care of it instead. */
 196     require_noerr(SSLSetEnableCertVerify(ctx, false), out);
 197
 198     return ctx;
 199 out:
 200     if (ctx)
 201         SSLDisposeContext(ctx);
 202     return NULL;
 203 }
 204
 205 static OSStatus securetransport(ssl_test_handle * ssl)
 206 {
 207     OSStatus ortn;
 208     SSLContextRef ctx = ssl->st;
 209     SecTrustRef trust = NULL;
 210     bool got_server_auth = false, got_client_cert_req = false;
 211
 212     //uint64_t start = mach_absolute_time();
 213     do {
 214         ortn = SSLHandshake(ctx);
 215
 216         if (ortn == errSSLServerAuthCompleted)
 217         {
 218             require_string(!got_server_auth, out, "second server auth");
 219             require_string(!got_client_cert_req, out, "got client cert req before server auth");
 220             got_server_auth = true;
 221             require_string(!trust, out, "Got errSSLServerAuthCompleted twice?");
 222             /* verify peer cert chain */
 223             require_noerr(SSLCopyPeerTrust(ctx, &trust), out);
 224             SecTrustResultType trust_result = 0;
 225             /* this won't verify without setting up a trusted anchor */
 226             require_noerr(SecTrustEvaluate(trust, &trust_result), out);
 227             require((trust_result == kSecTrustResultUnspecified), out);
 228
 229         }
 230     } while (ortn == errSSLWouldBlock
 231              || ortn == errSSLServerAuthCompleted);
 232     require_noerr_action_quiet(ortn, out,
 233                                fprintf(stderr, "Fell out of SSLHandshake with error: %d\n", (int)ortn));
 234
 235     require_string(got_server_auth, out, "never got server auth");
 236
 237     //uint64_t elapsed = mach_absolute_time() - start;
 238     //fprintf(stderr, "setr elapsed: %lld\n", elapsed);
 239
 240     /*
 241      SSLProtocol proto = kSSLProtocolUnknown;
 242      require_noerr_quiet(SSLGetNegotiatedProtocolVersion(ctx, &proto), out); */
 243
 244     SSLCipherSuite cipherSuite;
 245     require_noerr_quiet(ortn = SSLGetNegotiatedCipher(ctx, &cipherSuite), out);
 246     //fprintf(stderr, "st negotiated %02x\n", cipherSuite);
 247
 248
 249 out:
 250     SSLClose(ctx);
 251     SSLDisposeContext(ctx);
 252     if (trust) CFRelease(trust);
 253
 254     return ortn;
 255 }
 256
 257
 258
 259 #define CONNECT_TRIES 3
 260
 261 -(ssl_test_handle*)ssl_test_handle_create:(struct s_server *)server
 262 {
 263     int comm = -1;
 264
 265     for(int try = 0; comm<0 && try<CONNECT_TRIES; try++) {
 266         comm=SocketConnect(server->host, server->port);
 267     }
 268
 269     if(comm<0) {
 270         XCTFail("connect failed with err=%d - %s:%d", comm, server->host, server->port);
 271         return NULL;
 272     }
 273
 274     ssl_test_handle *handle = calloc(1, sizeof(ssl_test_handle));
 275     if (handle) {
 276         handle->comm = comm;
 277         handle->st = make_ssl_ref(comm, server->maxprot, server->host);
 278         handle->server = server;
 279     }
 280     return handle;
 281 }
 282
 283 static void
 284 ssl_test_handle_destroy(ssl_test_handle *handle)
 285 {
 286     close(handle->comm);
 287     free(handle);
 288 }
 289
 290
 291 struct s_server servers[] = {
 292 #if !TARGET_OS_IPHONE  //This test run on AppleWifi on iPhone, so we can't connect to internal servers.
 293     {"nod.apple.com", 636, kTLSProtocol12 }, // This one has only the server eku, not the client one.
 294 #endif
 295     {"gsa.apple.com", 443, kTLSProtocol12 }, // This one has only the server eku, not the client one.
 296     /* Good tls 1.2 servers */
 297     {"sslanalyzer.comodoca.com", 443, kTLSProtocol12 }, // This one has a stapled OCSP response with SCTs.
 298     {"encrypted.google.com", 443, kTLSProtocol12 },
 299     {"www.amazon.com",443, kTLSProtocol12 },
 300     //{"www.mikestoolbox.org",443, kTLSProtocol12 },
 301     /* servers with issues */
 302     // This server went offline as of May 2016 -- {"vpp.visa.co.uk", 443, kTLSProtocol12 }, // Doesnt like SSL 3.0 in initial record layer version
 303     {"imap.softbank.jp",993, kTLSProtocol12 },   // softbank imap server, there are multiple servers behind this, one of them is not able to handle downgrading to TLS 1.2 properly (126.240.66.17).
 304     {"mobile.charter.net",993, kTLSProtocol12 }, // Support 1.2 but fail to negotiate properly
 305     {"mybill.vodafone.com.au", 443, kTLSProtocol1 }, /* 2056 bit server key */
 306 };
 307
 308 #define NSERVERS (int)(sizeof(servers)/sizeof(servers[0]))
 309 #define NLOOPS 1
 310
 311 -(void)testTls12
 312 {
 313     int p;
 314     OSStatus r;
 315
 316     for(p=0; p<NSERVERS;p++) {
 317         for(int loops=0; loops<NLOOPS; loops++) {
 318             ssl_test_handle *client;
 319
 320         SKIP: {
 321                         if(!(client = [self ssl_test_handle_create:&servers[p]]))
 322                                 continue;
 323             r=securetransport(client);
 324             XCTAssert(r==errSecSuccess, "handshake failed with err=%ld - %s:%d (try %d)", (long)r, servers[p].host, servers[p].port, loops);
 325
 326             ssl_test_handle_destroy(client);
 327         }
 328         }
 329     }
 330 }
 331
 332 @end
 333